package com.mc.service;

import java.util.List;

import org.apache.ibatis.annotations.Param;

import com.mc.model.data_download;

public interface IDataService {
    int deleteByPrimaryKey(Integer dataId);

    int insert(data_download record);

    int insertSelective(data_download record);

    data_download selectByPrimaryKey(Integer dataId);

    int updateByPrimaryKeySelective(data_download record);

    int updateByPrimaryKey(data_download record);
    List<data_download> selectLimit();
    int selectAllCount();
    List<data_download> selectAllLimit(int start,int size);
}